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Finding the Fourth Proportional to 7,309.93, 10,965.47 and 2,630.55

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Solution

The fourth proportional to 7,309.93, 10,965.47 and 2,630.55 is: 3,946.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.93 : 10,965.47 = 2,630.55 : x
  2. Step 2: Convert to fraction form
    7,309.93/10,965.47 = 2,630.55/x
  3. Step 3: Cross multiply
    7,309.93x = 10,965.47 × 2,630.55
  4. Step 4: Simplify right side
    7,309.93x = 28,845,217.11
  5. Step 5: Solve for x
    x = 28,845,217.11/7,309.93
  6. Step 6: Final answer
    x = 3,946.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.